MLA
Manley, Joseph A. Letter from Joseph W. Manley (Tennessee) to His Brother (Franklin County, Georgia). Manley Served in Company H of the 34th Georgia Infantry Regiment - May 17, 1863. 1863. Stuart A. Rose Manuscript, Archives, and Rare Book Library, Box 4, Folder 57. https://digital.library.emory.edu/purl/549g4f4rsg-cor.
APA, 6th edition
Manley, J. A. (1863). Letter from Joseph W. Manley (Tennessee) to his brother (Franklin County, Georgia). Manley served in Company H of the 34th Georgia Infantry Regiment - May 17, 1863 (Box 4, Folder 57) [Letters (correspondence)]. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4rsg-cor.
Chicago
Manley, Joseph A. “Letter from Joseph W. Manley (Tennessee) to His Brother (Franklin County, Georgia). Manley Served in Company H of the 34th Georgia Infantry Regiment - May 17, 1863.” Letters (correspondence). Civil War Collection, 1863. Box 4, Folder 57. Stuart A. Rose Manuscript, Archives, and Rare Book Library. https://digital.library.emory.edu/purl/549g4f4rsg-cor.